The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 70-180mm F2.8 Di G2 and the Zeiss Otus 85mm f1.4 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Tamron 70-180mm F2.8 Di G2 is the longer of the two lenses at 158mm. The Zeiss Otus 85mm f1.4 with a length of 128mm, is 30mm shorter. On the other hand, the Zeiss Otus 85mm f1.4 has a larger diameter of 88mm compared to the Tamron 70-180mm F2.8 Di G2's 83mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Tamron 70-180mm F2.8 Di G2 weighs 865g, which means it is 175g (16%) lighter than the Zeiss Otus 85mm f1.4 which has a weight of 1040g.
Filter Threads
The Tamron 70-180mm F2.8 Di G2 has a filter size of 67mm whereas the Zeiss Otus 85mm f1.4 has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Tamron 70-180mm F2.8 Di G2:
And these are the 77mm filters that we recommend for the Zeiss Otus 85mm f1.4:
Lens Mounts
Both the Tamron 70-180mm F2.8 Di G2 and the Zeiss Otus 85mm f1.4 has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z.
Tamron 70-180mm F2.8 Di G2 is also available in the Sony E mount.
Zeiss Otus 85mm f1.4 is also available in Canon EF , Nikon F (FX), Sony E and Canon RF mounts.
Focal Range
Tamron 70-180mm F2.8 Di G2 has a focal range of 70-180mm and
2.6X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 270mm.
On the other hand, the Zeiss Otus 85mm f1.4 is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 127.5mm.
